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Finding the Fourth Proportional to 339.27, 468.63 and 246.33

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Solution

The fourth proportional to 339.27, 468.63 and 246.33 is: 340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.27 : 468.63 = 246.33 : x
  2. Step 2: Convert to fraction form
    339.27/468.63 = 246.33/x
  3. Step 3: Cross multiply
    339.27x = 468.63 × 246.33
  4. Step 4: Simplify right side
    339.27x = 115,437.63
  5. Step 5: Solve for x
    x = 115,437.63/339.27
  6. Step 6: Final answer
    x = 340.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.